Which of the following structures is not a component of the external genitalia of female humans?

The vagina is not a part of female external genitalia. The vagina is a muscular tube that connects the external genitalia to the internal reproductive organs, such as the uterus and cervix. It serves as the passage for menstrual flow, childbirth, and sexual intercourse.

The female external genitalia, also known as the vulva, includes several structures such as the mons pubis, labia majora, labia minora, clitoris, vestibule, and the vaginal opening.